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109766020 = 225713411471
BaseRepresentation
bin1101000101011…
…10010110000100
321122112200200011
412202232112010
5211100003040
614520400004
72501665360
oct642562604
9248480604
10109766020
1156a61921
1230916004
1319982a10
14108142a0
1599833ea
hex68ae584

109766020 has 96 divisors (see below), whose sum is σ = 290820096. Its totient is φ = 33868800.

The previous prime is 109766003. The next prime is 109766029. The reversal of 109766020 is 20667901.

It is not an unprimeable number, because it can be changed into a prime (109766029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73885 + ... + 75355.

It is an arithmetic number, because the mean of its divisors is an integer number (3029376).

Almost surely, 2109766020 is an apocalyptic number.

109766020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109766020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145410048).

109766020 is an abundant number, since it is smaller than the sum of its proper divisors (181054076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109766020 is a wasteful number, since it uses less digits than its factorization.

109766020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 109766020 is about 10476.9279848627. The cubic root of 109766020 is about 478.8020183577.

The spelling of 109766020 in words is "one hundred nine million, seven hundred sixty-six thousand, twenty".

Divisors: 1 2 4 5 7 10 13 14 20 26 28 35 41 52 65 70 82 91 130 140 164 182 205 260 287 364 410 455 533 574 820 910 1066 1148 1435 1471 1820 2132 2665 2870 2942 3731 5330 5740 5884 7355 7462 10297 10660 14710 14924 18655 19123 20594 29420 37310 38246 41188 51485 60311 74620 76492 95615 102970 120622 133861 191230 205940 241244 267722 301555 382460 422177 535444 603110 669305 784043 844354 1206220 1338610 1568086 1688708 2110885 2677220 3136172 3920215 4221770 5488301 7840430 8443540 10976602 15680860 21953204 27441505 54883010 109766020